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Belle Smith — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Los-Angeles-County, California
Our Model Tree links this Belle Smith across the 1930 and 1940 US Censuses in Los-Angeles-County, California (XGBoost, ~Confirmed) — first a spouse (b.~1888), then head of a 7-person household.
Age 52
b. ~1888
Female
Spouse
Born: California
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Los-Angeles-County, California |
| Surname | Smith |
| Given Name | Belle L |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | California |
| 1935 Residence (City) | Los Angeles City |
| 1935 Residence (County) | Los Angeles |
| Additional Details | |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Township / Ward | Los Angeles City |
| Est. Birth Year | ~1888 |
Household Members
Census records only state relationship to the household head.
Pairwise kinship is derived (~90–95% accurate), not recorded.
Step/blended families and boarders can break it.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Belle | Age | Birth yr |
|---|---|---|---|---|
| Belle Smith | Spouse | — | 52 | ~1888 |
| Donald Smith | Son | — | 20 | ~1920 |
| Clark Smith | Son | — | 17 | ~1923 |
| Lyman Smith | Head | — | 57 | ~1883 |
| Pauline Opetz | Daughter | — | 27 | ~1913 |
| Jacque Opetz | Son | — | 25 | ~1915 |
| Karl Opetz | Son | — | 25 | ~1915 |
Census Appearances
1930
Los Angeles, …
Spouse, age 41
Los Angeles, California · implied b. ~1889 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Belle L |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | California |
| Age at First Marriage | 24 |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Utah |
| Can Read/Write | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
Los-Angeles-County, California
Spouse, age 52
Los-Angeles-County, California · implied b. ~1888 — 7 household members
| Surname | Smith |
| Given Name | Belle L |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | California |
| 1935 Residence (City) | Los Angeles City |
| 1935 Residence (County) | Los Angeles |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
Model Tree
An inferred pedigree reconstructed from census links — up to 4 generations within the 1900–1950 window. Closer generations are built from household co-residence; deeper ones are bridged by following a relative to their own childhood census. Confidence compounds and weakens with each generation.
Our Model Tree links Belle Smith across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Belle Smith
Spouse · 1940 · age 52 · b. ~1888 · California
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Los-Angeles-County, California
Open full size
1940 US Federal Census — Los-Angeles-County, California
Page Contents
38 people indexed on this census page (nara:1940:m-t0627-00375-00174)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 2 | Charles J Mccard | 65 | Head | Proprietor | Indiana |
| 3 | Lilia Mccard | 60 | Wife | — | Indiana |
| 4 | Davis Wagner | 28 | Head | Truck Driver | Kentucky |
| 5 | Marguerite Wagner | 26 | Wife | — | Indiana |
| 6 | John H Goodwill | 52 | Head | — | Maryland |
| 7 | Charles P Goodwill | 63 | Brother | — | New Hampshire |
| 8 | Carrie M Goodwill | 61 | Sister | — | New Hampshire |
| 9 | Ralph P Goodwill | 50 | Brother | — | New Hampshire |
| 10 | Lyman P Smith | 57 | Head | Teacher | Ohio |
| 11 | Belle L Smith THIS PERSON | 52 | Wife | — | California |
| 12 | Donald Smith | 20 | Son | — | California |
| 13 | Clark Smith | 17 | Son | — | California |
| 14 | Pauline Opetz | 27 | Daughter | Professor | California |
| 15 | Karl Opetz | 25 | Son | Assistant | California |
| 16 | Jacque Opetz | 25 | Son | — | California |
| 17 | Jessie M Stetler | 63 | Head | — | Ohio |
| 18 | Robert J Stetler | 23 | Son | Laborer | California |
| 19 | Daisy Willoughby | 20 | Lodger | Delivery | — |
| 20 | Ernest Mannel | 22 | Head | Clerk (Shoe) | Utah |
| 21 | Marjorie Mannel | 20 | Wife | Clerk | California |
| 22 | Larry Mannel | 1 | Son | — | California |
| 23 | Moulton Smith | 36 | Head | Mechanic | Kentucky |
| 24 | Ida M Smith | 46 | Wife | Owner | New York |
| 25 | Chester A Smith | 11 | Son | — | California |
| 26 | Nellie M Nothacker | 72 | Head | — | California |
| 27 | Lora C Berkshire | 66 | Lodger | — | Illinois |
| 28 | R. B. Erwin | 23 | Head | Sheet Metal Worker | Texas |
| 29 | Dorothy D Erwin | 22 | Wife | — | Texas |
| 30 | Sargent Erwin | 2 | Son | — | California |
| 31 | Patricia Erwin | 0 | Daughter | — | California |
| 32 | Henry D Rambow | 31 | Head | Landscape | Missouri |
| 33 | Veda L Rambow | 36 | Wife | — | Missouri |
| 34 | Ruth S Rambow | 13 | Daughter | — | Missouri |
| 35 | Narla S Rambow | 10 | Daughter | — | Missouri |
| 36 | Herman Bohnenkenberg | 49 | Head | Poultry Raiser | Missouri |
| 37 | Mary Bohnenkenberg | 54 | Wife | — | Nebraska |
| 38 | Dorothy Bohnenkenberg | 17 | Daughter | — | Iowa |
| 39 | Donald Bohnenkenberg | 14 | Son | — | Iowa |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 United States Federal Census (NARA). Our Model Tree links this person across census decades using XGBoost-based record linkage, with per-link confidence scores. Household corroboration strengthens the signal when co-residents appear on the same census pages in multiple years.
Source: National Archives and Records Administration (NARA)